PHP Coding Puzzle 5 : Find the Length of the Longest Increasing Subsequence
Welcome to the fifth PHP coding puzzle !
You are given an array of integers, and you need to write a PHP function that will find the length of the longest...
PHP Coding Puzzle 3 : Find Contiguous Subarray with the Largest Sum
Welcome to the third PHP coding puzzle !
You are given an array of integers, and you need to write a PHP function that will find the largest sum of any...
PHP Coding Puzzle 9: Word Ladder
Welcome to the 9th PHP Coding Puzzle !
Word Ladder Game
Game Description
Word Ladder is a word game in which two players try to transform one word into another by changing one letter...
PHP Coding Puzzle 10 : Sudoku Game
Welcome to the 10th PHP Coding Puzzle !
The Sudoku Game
The objective of Sudoku is to fill a 9x9 grid with numbers so that each row, column, and 3x3 sub-grid (or "box")...
PHP Coding Puzzle 4 : Find the Largest Sum of a Rectangular Submatrix
Welcome to the forth PHP coding puzzle !
You are given a matrix of integers, and you need to write a PHP function that will find the largest sum of any...
PHP Coding Puzzle 2 : Valid Parentheses Checker
Welcome to the second PHP coding puzzle !
You are given a string that contains only the characters '(', ')', '{', '}', '', and you need to write a PHP function...
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